The Grand Ole Opry is a regular live country-music radio broadcast originating from Nashville, Tennessee, on WSM, held between two and five nights per week, depending on the time of year. It was founded on November 28, 1925, by George D. Hay as the WSM Barn Dance, taking its current name in 1927. Currently owned and operated by Opry Entertainment, it is the longest-running radio broadcast in U.S. history. Dedicated to honoring country music and its history, the Opry showcases a mix of famous singers and contemporary chart-toppers performing country, bluegrass, Americana, folk, and gospel music as well as comedic performances and skits. It attracts hundreds of thousands of visitors from around the world and millions of radio and internet listeners.

William Smith Monroe was an American mandolinist, singer, and songwriter, and created the bluegrass music genre. Because of this, he is often called the "Father of Bluegrass".